Military sketching and map reading for non-commissioned officers . ultivatedfields, buildings, cuts and fills, bridges, railroad crossings, telegraph lines, etc., maybe filled in from the critical points. 6. Be sure that the drainage has been properly outlined before attempting toextend the contour lines each side of the road, in other words, first locate conspicuoushill tops and the course of stream beds and valleys. This is most important, asextending contour lines without first indicating what we may call the frame-work ofthe drainage would be like fitting a garment without trying it on or
Military sketching and map reading for non-commissioned officers . ultivatedfields, buildings, cuts and fills, bridges, railroad crossings, telegraph lines, etc., maybe filled in from the critical points. 6. Be sure that the drainage has been properly outlined before attempting toextend the contour lines each side of the road, in other words, first locate conspicuoushill tops and the course of stream beds and valleys. This is most important, asextending contour lines without first indicating what we may call the frame-work ofthe drainage would be like fitting a garment without trying it on or without makingprevious measurements. 7. To become a rapid and an accurate sketcher one must be able to estimatedistances with less than ten per cent error up to 600 yards and within fifteen per centup to a mile. Estimates of distances should be made in yards and the ground distanceand map distance for 100 yards should be distinctly fixed in the mind as referenceunits. (See Estimating Distance Firing Regulations, U. S. Army.) 54 Military Sketching and Map Reading. Daadog Sule Suit of Map 0»tanc Fig. 19 FOR NON-COMMISSIONED OFFICERS 55 a m
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmilitar, bookyear1915
